The BMW B46 A20 B is a 2.0 litre petrol engine fitted to the X1. Replacement units are sourced through our vetted UK supplier network - compare used and reconditioned prices with warranty cover, or enter your registration for an exact quote.

The BMW B46 A20 B is a 2.0 litre petrol engine fitted to the X1. Replacement units are sourced through our vetted UK supplier network - compare used and reconditioned prices with warranty cover, or enter your registration for an exact quote.
Key specifications for the BMW B46 A20 B engine, with typical used and reconditioned price guidance from our UK supplier network.
| Engine Size | 2.0 litre |
| Fuel | Petrol |
| Years produced | 2013 - Current |
| Typical quote price | £2,111 |
All prices are typical UK ranges based on supplier quotes. Final prices depend on availability, fitting and supplier.
The BMW B46 A20 B engine is a direct fit for the following models. Click a model to see its full engine range and pricing.
| Model | Years |
|---|---|
| BMW X1 | 2013 - Current |
Looking for an BMW B46 A20 B engine? You are in the right place. Motor Fix Way is a free UK price-comparison service that connects you with vetted engine suppliers across the country, so you can compare used and reconditioned B46 A20 B engines and choose the best deal - with warranty cover and no upfront payment.
B46 A20 B is an engine code for a petrol BMW engine, fitted across the X1.
Because the same code is shared across several models and model years, a good used or reconditioned B46 A20 B is usually a straightforward, like-for-like replacement. Enter your registration and our suppliers will confirm the exact fit and send you fixed-price quotes to compare.
Common questions about buying a replacement BMW B46 A20 B engine in the UK.
Browse the full BMW range to find pricing for your exact model.
Join thousands of UK drivers who found the best engine deal through Motor Fix Way. Free quotes, no obligation, results in minutes.
Get Free Quotes Now